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प्रश्न
Differentiate between Fibrous root and adventitious root
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उत्तर
| Fibrous root | Adventitious root | |
| 1 | It occur in place to tap root system at the base of main stem | Roots arise from varoius parts of the plant other than the radicle |
| 2 | The roots are thin and fibrous | The roots can be thin thick or variously modified |
| 3 | The root system is underground | It can be underground or above ground |
| 4 | Fibrous root system takes part in fixation of plant, absorption of water and mineral salts etc | It performs several function like clinging, support, storage, reproduction, fixation, absorption, etc |
संबंधित प्रश्न
Justify the following statements on the basis of external features
Underground parts of a plant are not always roots
Draw and label the parts of regions of root.
How root climbers differ from stem climbers?
Draw and label the parts of regions of root.
Root formed from prolongation of the radicle is ______.
Rearrange the following zones as seen in the root in vertical section and choose the correct option.
- Root hair zone
- Zone of meristems
- Rootcap zone
- Zone of maturation
- Zone of elongation
Roots developed from parts of the plant other than radicle are called ______.
In swampy areas like the Sunderbans in West Bengal, plants bear special kind of roots called ______.
In aquatic plants like Pistia and Eichhornia, leaves and roots are found near ______.
Name the body part modified for food storage in the following:
Carrot ______.
Name the body part modified for food storage in the following:
Asparagus ______.
Name the body part modified for food storage in the following:
Radish ______.
Name the body part modified for food storage in the following:
Portulaca ______.
Give two examples of roots that develop from different parts of the angiospermic plant other than the radicle.
Rhizome of ginger is like the roots of other plants that grows underground. Despite this fact ginger is a stem and not a root. Justify.
After maturation, in primary lymphoid organs, the lymphocytes migrate for interaction with antigens to secondary lymphoid organ(s)/tissue(s) like:
- Thymus
- Bone marrow
- Spleen
- Lymph nodes
- Peyer’s patches
Choose the correct answer from the options given below:
